Combined double escutcheon and paint protector.



No; 702,83l. Patented lune l7, I902.

S. THOMPSON.

COMBINED DOUBLE ESCUTGHEON AND PAINT PROTECTOR.

(Application filed Aug. 20, 1901.)

(No Model.)

/N VENTO/i UNITED STATES PATENT OFFICE.

SAMUEL THOMPSON, OF CHICAGO, ILLINOIS.

: COMBINED DOUBLE ESCUTCHEON AND PAINT PROTECTOR.

SPECIFICATION forming part of Letters Patent No. 702,831, dated June 17,1902.

Application filed August 20, 1901. Serial No. 72,646. (No model.)

T0 (l/ZZ whmn it may concern:

Be it known that I, SAMUEL THOMPSON, a citizen of the United States, anda resident of Chicago, in the county of Cook and State of Illinois, haveinvented a new and Improved Combined Double Escutcheon and PaintProtector, of which the following is a full, clear, and exactdescription.

My invention relates to means for protecting the painting and enamelingof fine doors, and to provide a more ornamental and serviceable combinedescutcheon for door-locks.

My invention further relates to means for protecting the door-plateherein described.

In the accompanying drawings like characters indicate like parts in allthe views.

Figure 1 is an elevation showing my doorplate secured upon a door. Fig.2 is a section of the same on the line 2 2 of Fig. 1. Fig. 3 is anelevation of a modified form. Fig. 4 is a section of the same on theline 4 4 of Fig. 3, and Fig. 5 is an elevation showing another form ofthe panel 3 shown in Fig. 1.

The woodwork of the door or esoutcheon is shown at 1.

2 is the plate proper, which is provided with a longitudinal panel 3 andalso with a bead 3 for spacing the plate proper slightly asunder fromthe door. The panel 3 is preferably provided with a file-surface 4 forthe purpose of rasping the hand of a person who has carelessly allowedit to come into violent contact with the plate. The idea is tocontinually remind people to avoid touching the door-plate with thehands, and thereby prevent wear and other injury to the plate and door.

At 5 screw-holes are provided at the respective ends of the longitudinalplate. If the plate be made of glass, as shown in Figs. 1, 2, and 5,bushings 6, of soft metal, are inserted in the screw-holes. By thismeans slight strains to which the plate would ordinarily be subjectedare compensated for by a slight yielding of the soft metal,and the plateis therefore prevented from chipping or breaking. The plate ispreferably provided with facets 7 8 9, partly for the purpose ofornamentation and partly for the purpose of giving an arching shape tothe substance of the plate, whereby its strength is greatly increased,thus also affording a convenient means for applying the head 3 for thepurpose of spacing the plate slightly asunder from the door. Screw-holes10, arranged in the arms of a triangle, surround the knob-spindle 17 andare provided with soft-metal bushings 11, similar to the bushings 6. Theform of these soft-metal bushings can be clearly seen in Fig. 2. Thesoft-metal sleeve or bushing 12 serves as a bearing for the knob-spindle17 and prevents the same from coming into direct contact with the glass.The glass around this sleeve is pref erably thickened and rendered of aslightlyconical shape, as shown at 13, for the purpose of bracing thesame and still further strengthening the plate. The keyhole 13 is of theusual pattern.

YVhen the plate is made of metal, as in Figs. 3 and I, the bushing 15 ismade integral with the plate and is set in a bead 14.

It will thus be seen that my device not only secures the greateststrength consistent with a given amount of material, but that itprotects the parts beneath the plate, for the reason that but little ofthe surface of the plate makes contact with the door. No part of thestrain is directly upon the glass when glass is used and the roughenedor file surface (shown in Fig. 5) can be made either upon the metallicor the glass plate.

If desired, only the three screws shown in the center of Figs. 1 and 2need be attached, and mutilation of the woodwork is thereby prevented,for the reason that if screws are not inserted through the holes 5 atthe respective top and bottom of the plate the only mutilation of thewood will be limited to a small compass and the only mutilationnecessary is covered up when the plate is removed and any other lockplaced in position. In other words, I provide a plate of such form thatthe main screws are so positioned and so spaced that they areeffectually bunched together, and the mutilation caused by the screws istherefore reduced to a minimum and occurs where it will do little or noharm. In this connection it should be remembered that the threescrew-holes 10 are located substantially in the middle of the plate,between the ends thereof, andbecause these holes are between the beads 3on each side the plate is held firmly in position. The screws act uponthe plate as they would upon a lever, so that when the bead upon theleft-hand side of the plate engages the woodwork and the screws aretightened the bead upon the left-hand side of the plate is held firmlyagainst the woodwork and with a degree of tension commensurate with thetension exerted by the screws. This would be impossible with an ordinaryglass plate, for the reason that the pressure would break the same.

Having thus described my invention, I claim as new and desire to secureby Letters Patent 1. As an article of manufacture, a glass plate to besecured to a door, and provided with screw-holes, and annular bushingsof soft metal mounted in said screw-holes for protecting said plate fromstrains.

2. As an article of manufacture, a glass plate to be secured to a doorand provided with an integral circumferential head for the purpose ofreducing the area of contacting surface between said plate and saiddoor, and

also provided with holes fitted with annular bushings of soft, metal toequalize strains on said plate, and with a rasping-surface to protectthe plate from injury by the hand.

3. As an article of manufacture, a plate to be secured to a door, andprovided with an integral circumferential bead for the purpose ofreducing the area of contacting surface between said plate and saiddoor, said plate having a general arching form for the purpose ofstrengthening the same, and also being provided. with bushings of softmetal for further strengthening said plate by equalizing strainsthereon.

In testimony whereof I have signed my name to this specification in thepresence of two witnesses.

SAMUEL THOMPSON.

'Witnesses:

GEO. W. STONE, S. R. THOMPSON.

